/*
 * ImageToolbox is an image editor for android
 * Copyright (c) 2024 T8RIN (Malik Mukhametzyanov)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * You should have received a copy of the Apache License
 * along with this program.  If not, see <http://www.apache.org/licenses/LICENSE-2.0>.
 */

package ru.tech.imageresizershrinker.core.domain.utils

import kotlin.math.pow
import kotlin.math.roundToInt

const val NEAREST_ODD_ROUNDING = -3

fun roundToNearestOdd(
    number: Float
): Float = number.roundToInt().let {
    if (it % 2 != 0) it
    else it + 1
}.toFloat()

fun Float.roundTo(
    digits: Int
): Float = if (digits == NEAREST_ODD_ROUNDING) roundToNearestOdd(this)
else (this * 10f.pow(digits)).roundToInt() / (10f.pow(digits))